Design and Implementation of the SIP Video Conferencing System in Public Security

Public security system is a special system that should aim at high speed, reliableness and comprehensiveness, fully integrated by video conferencing, data collaboration, multi-channel video surveillance and other operations. As a result, the public security system design must take full account of the industry users´ individual character and special function requirements. In this paper, based on the existing network security system and SIP protocol, a video conferencing system is designed and implemented, which can help SIP further study and application in public security system effectivelly.